Question

Using identities, evaluate
1. 77 x 83
2. 10.5 x 9.5​

Answer 1

Answer:

1.6391

2.99.75

Step-by-step explanation:

the identity is (a-b) (a+b)=a^-b^

1.(80-3) (80+3) =(80) ^-3^

=6400-9

=6391

2.(10+0.5) (10-0.5) =(10) ^-(0.5) ^

=100-0.25

=99.75

Answer 2

Answer:

I LIKE YOUR ATTITUDE

Step-by-step explanation:

AND YOU ARE LOOKING SO CUTE